NASA Logo in the header
Sciences and Exploration Directorate

Changwoo Ahn

(SENIOR SCIENTIST)

Changwoo Ahn's Contact Card & Information.
Email: changwoo.ahn@nasa.gov
Org Code: 614
Address:
NASA/GSFC
Mail Code 614
Greenbelt, MD 20771
Employer: Science and Technology Corp

Publications


Refereed

2025. "A decade of global hourly aerosol observations from DSCOVR/EPIC using near-UV measurements.", Frontiers in Remote Sensing, 6 1685415 [10.3389/frsen.2025.1685415] [Journal Article/Letter]

2025. "Absorbing Aerosol Effects on Hyperspectral Surface and Underwater UV Irradiances from OMI Measurements and Radiative Transfer Computations.", Remote Sensing, 17 (3): 562 [10.3390/rs17030562] [Journal Article/Letter]

2024. "Local and Regional Diurnal Variability of Aerosol Properties Retrieved by DSCOVR/EPIC UV Algorithm.", Journal of Geophysical Research: Atmospheres, 129 (8): [10.1029/2023jd039908] [Journal Article/Letter]

2021. "Evaluation of Aerosol Properties Observed by DSCOVR/EPIC Instrument From the Earth‐Sun Lagrange 1 Orbit.", Journal of Geophysical Research: Atmospheres, 126 (12): [10.1029/2020jd033651] [Journal Article/Letter]

2020. "TROPOMI aerosol products: evaluation and observations of synoptic-scale carbonaceous aerosol plumes during 2018–2020.", Atmospheric Measurement Techniques, 13 (12): 6789-6806 [10.5194/amt-13-6789-2020] [Journal Article/Letter]

2020. "Stratospheric Injection of Massive Smoke Plume from Canadian Boreal Fires in 2017 as seen by DSCOVR‐EPIC, CALIOP and OMPS‐LP Observations.", Journal of Geophysical Research: Atmospheres, [10.1029/2020jd032579] [Journal Article/Letter]

2019. "Explicit Aerosol Correction of OMI Formaldehyde Retrievals.", Earth and Space Science, 6 (11): 2087-2105 [10.1029/2019ea000702] [Journal Article/Letter]

2018. "A 12-year long global record of optical depth of absorbing aerosols above the clouds derived from the OMI/OMACA algorithm.", Atmospheric Measurement Techniques, 11 (10): 5837-5864 [10.5194/amt-11-5837-2018] [Journal Article/Letter]

2018. "Impact of the ozone monitoring instrument row anomaly on the long-term record of aerosol products.", Atmospheric Measurement Techniques, 11 (5): 2701-2715 [10.5194/amt-11-2701-2018] [Journal Article/Letter]

2018. "Optimal Estimation-Based Algorithm to Retrieve Aerosol Optical Properties for GEMS Measurements over Asia.", Remote Sensing, 10 (2): 162 [10.3390/rs10020162] [Journal Article/Letter]

2017. "Simulation of the Ozone Monitoring Instrument aerosol index using the NASA Goddard Earth Observing System aerosol reanalysis products.", Atmospheric Measurement Techniques, 10 (11): 4121-4134 [10.5194/amt-10-4121-2017] [Journal Article/Letter]

2016. "An optimal-estimation-based aerosol retrieval algorithm using OMI near-UV observations.", Atmospheric Chemistry and Physics, 16 (1): 177-193 [10.5194/acp-16-177-2016] [Journal Article/Letter]

2015. "Constraining black carbon aerosol over Asia using OMI aerosol absorption optical depth and the adjoint of GEOS-Chem.", Atmos. Chem. Phys., 15 (18): 10281-10308 [10.5194/acp-15-10281-2015] [Journal Article/Letter]

2014. "Global assessment of OMI aerosol single-scattering albedo using ground-based AERONET inversion.", J. Geophys. Res. Atmos., 119 (14): 9020-9040 [10.1002/2014JD021672] [Journal Article/Letter]

2014. "Assessment of OMI near-UV aerosol optical depth over land.", J. Geophys. Res. Atmos., 119 (5): 2457–2473 [10.1002/2013JD020188] [Journal Article/Letter]

2013. "Improvements to the OMI near-UV aerosol algorithm using A-train CALIOP and AIRS observations.", Atmospheric Measurement Techniques, 6 (11): 3257-3270 [10.5194/amt-6-3257-2013] [Journal Article/Letter]

2012. "Intercomparison of desert dust optical depth from satellite measurements.", Atmos. Meas. Tech., 5 (8): 1973-2002 [10.5194/amt-5-1973-2012] [Journal Article/Letter]

2012. "Comparative study of aerosol and cloud detected by CALIPSO and OMI.", Atmos Environ, 51 187-195 [10.1016/j.atmosenv.2012.01.024] [Journal Article/Letter]

2010. "OMI and MODIS observations of the anomalous 2008–2009 Southern Hemisphere biomass burning seasons.", Atmos. Chem. Phys., 10 (8): 3505-3513 [10.5194/acp-10-3505-2010] [Journal Article/Letter]

2008. "Comparison of Ozone Monitoring Instrument UV Aerosol Products with Aqua/Moderate Resolution Imaging Spectroradiometer and Multiangle Imaging Spectroradiometer observations in 2006.", J Geophy Res, 113 (D16S27): [10.1029/2007JD008832] [Journal Article/Letter]

2007. "Aerosols and Surface UV Products from OMI Observations: An Overview.", J. Geophys. Res., 112 (D24): D24S47 [10.1029/2007JD008809] [Journal Article/Letter]

Non-Refereed

2016. "A ten-year global record of absorbing aerosols above clouds from OMI's near-UV observations.", Remote Sensing of the Atmosphere, Clouds, and Precipitation VI, [10.1117/12.2225765] [Proceedings]